20178394808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17638457}}^1$

素因数の和:17638487

約数の個数: 32

約数和(自身を含む): 44448914160

約数和(自身を除く): 24270519352

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17638457, 35276914, 70553828, 141107656, 194023027, 229299941, 388046054, 458599882, 776092108, 917199764, 1552184216, 1834399528, 2522299351, 5044598702, 10089197404, 20178394808]

約数ペア:

[(1, 20178394808), (2, 10089197404), (4, 5044598702), (8, 2522299351), (11, 1834399528), (13, 1552184216), (22, 917199764), (26, 776092108), (44, 458599882), (52, 388046054), (88, 229299941), (104, 194023027), (143, 141107656), (286, 70553828), (572, 35276914), (1144, 17638457)]